mpn_add_n
mpn_add_n (res_ptr, s1_ptr, s2_ptr, size)
mpn_add_n (np, np, dp, dsize);
cy_limb = mpn_add_n (prodp, prodp, up, usize);
cy = mpn_add_n (prodp, prodp, tp, vsize);
cy = mpn_add_n (prodp, prodp, tspace, vsize);
cy = mpn_add_n (prodp + size, prodp + size, prodp + size + hsize, hsize);
cy += mpn_add_n (prodp + hsize, prodp + hsize, tspace, size);
cy += mpn_add_n (prodp + hsize, prodp + hsize, tspace, size);
cy = mpn_add_n (prodp + hsize, prodp + hsize, tspace + hsize, hsize);
cy_limb = mpn_add_n (prodp, prodp, up, size);
cy = mpn_add_n (prodp + size, prodp + size, prodp + size + hsize, hsize);
cy += mpn_add_n (prodp + hsize, prodp + hsize, tspace, size);
cy = mpn_add_n (prodp + hsize, prodp + hsize, tspace + hsize, hsize);
cy_limb = mpn_add_n (prodp, prodp, up, size);
cy_limb = mpn_add_n (prodp, prodp, up, usize);
cy = mpn_add_n (prodp, prodp, tp, vsize);
cy = mpn_add_n (prodp, prodp, tspace, vsize);
mp_limb_t mpn_add_n _PROTO ((mp_ptr, mp_srcptr, mp_srcptr, mp_size_t));
cy_limb = mpn_add_n (res_ptr, s1_ptr, s2_ptr, s2_size);